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SKF ANGULSKF CONTACT BALL BEARINGS, SUPER-PRECISION SKF 71907 ACE/HCP4A

Home SKF BEARING SKF ANGULSKF CONTACT BALL BEARINGS, SUPER-PRECISION SKF 71907 ACE/HCP4A

SKF ANGULSKF CONTACT BALL BEARINGS, SUPER-PRECISION SKF 71907 ACE/HCP4A

This ultra-precision, high-speed E-design single-row angular contact ball bearing can withstand both radial and axial loads in one direction. Designed to withstand high speeds. It has a slightly higher speed capability and can withstand higher loads than the same SKF B-design high-speed bearings.

  • Ultra-high running accuracy
  • It can withstand ultra-high speeds
  • It can withstand high radial loads and large unidirectional axial loads
SKF BEARING

Description

SKF 71907 ACE/HCP4A

Universal mating bearings
not
尺寸 - 71907 ACE/HCP4A

size

d
35 mm
 aperture
D
55 mm
 Outside diameter
B
10 mm
 width
d1
41.7 mm
 Inner ring flange diameter (large end)
d2
40.2 mm
 Inner ring flange diameter (small end face)
D1
48.29 mm
 Outer ring flange diameter (large end)
r1,2
min.0.6 mm
 Chamfer size
r3,4
min.0.3 mm
 Chamfer size
a
15.5 mm
 The distance from the end face to the pressure point
挡肩尺寸 - 71907 ACE/HCP4A挡肩尺寸 - 71907 ACE/HCP4A

Shoulder size

da
min.38.2 mm
 Shaft shoulder diameter
db
min.37 mm
 Shaft shoulder diameter
Da
max.51.8 mm
 Housing shoulder diameter
Db
max.53 mm
 Housing shoulder diameter
ra
max.0.6 mm
 Fillet radius
rb
max.0.3 mm
 Fillet radius
dn
43 mm
 Injector location

Data calculations

Basic dynamic load rating C
7.28 kN
Basic static load rating C0
4.4 kN
Fatigue load limits Pyou
0.137 kN
The permissible speed at which the grease lubricates
38 000 r/min
The permissible speed of air-air lubrication
60 000 r/min
Contact angle α
25 °
Ball diameter Din
5.556 mm
Number of Columns i
1
Number of balls (per bearing) with
19
Reference grease volume (per bearing) Gref
0.8 cm³
PRELOAD AND STIFFNESS (BACK-TO-BACK CONFIGURATION, FACE-TO-FACE CONFIGURATION)
Class A preload GA
66 N
Class A preload axial stiffness (two bearings back-to-back or face-to-face configuration)
77 N/µm
Class B preload GB
200 N
Preload Class B axial stiffness (two bearings back-to-back or face-to-face configuration)
115 N/µm
Class C preload GC
400 N
Preload Class C Axial stiffness (two bearings back-to-back or face-to-face configuration)
151 N/µm
PRELOAD CORRECTION FACTOR
The correction factor depends on the bearing series and size f
1.05
The correction factor depends on the angle of contact f1
0.98
preload grade A correction factor, f2A
1
Preload class B correction factor f2B
1.04
Preload C-level correction factor f2C
1.08
Correction factor for hybrid bearings fHC
1.01
EQUIVALENT BEARING LOAD CALCULATION FACTOR
Limit values and
0.68
Axial load factor (single row or tandem configuration) And2
0.87
Axial load factor (single row or tandem configuration) And0
0.38
Axial load factor (single row or tandem configuration) X2
0.41
Axial load factor (back-to-back or face-to-face configuration) And1
0.92
Axial load factor (back-to-back or face-to-face configuration) And2
1.41
Axial load factor (back-to-back or face-to-face configuration) And0
0.76
Radial load factor (back-to-back or face-to-face configuration) X2
0.67

As a professional bearing exporter and SKF distributor, WS Bearing stocks thousands kindsof Angular contact ball bearings,super-precision for sale，We can export to Singapore–Viet Nam–Malaysia–Indonesia-Germany-USA etc.we have always been committed to providing our customers with the highest quality products and the most satisfactory services. Through collaborations with top brands such as SKF, TIMKEN, FAG, THK, and others, we have not only established a wide range of product lines but also accumulated rich industry experience and technical knowledge. If you have problems about selecting proper bearings for your special applications, please contact us right now

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